Finding the Fourth Proportional to 8,225,238.76, 11,347,255.98 and 4,960,239.12
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Solution
The fourth proportional to 8,225,238.76, 11,347,255.98 and 4,960,239.12 is: 6,842,974.98
Step by Step Solution
- Step 1: Write the proportion equation
8,225,238.76 : 11,347,255.98 = 4,960,239.12 : x - Step 2: Convert to fraction form
8,225,238.76/11,347,255.98 = 4,960,239.12/x - Step 3: Cross multiply
8,225,238.76x = 11,347,255.98 × 4,960,239.12 - Step 4: Simplify right side
8,225,238.76x = 56,285,103,016,649.94 - Step 5: Solve for x
x = 56,285,103,016,649.94/8,225,238.76 - Step 6: Final answer
x = 6,842,974.98
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.